这是一本不可多得的珍本.It's a rare book.我们学校图书馆以藏有好多珍本书而自豪.Our school library boasts quite a few rare books.我在附近那家书店偶然发现了这一珍本.I tumbled upon the rare volume in the nearby bookstore....
They canoed across the river.他们划着小舟过河.Grain used to be canoed up the river.过去粮食由小划子运送到河的上游.I was absolutely terrified when I canoed up the Amazon.当我划着独木舟沿亚玛逊河逆流而上时,我真是害怕得很....
Patricia Hewitt knows a thing or two about how to be well-organised...帕特里夏·休伊特很了解如何做到有条不紊。That was not the life Jack Hewitt planned to live. No way!那不是杰克·休伊特想要的生活，绝对不是！Hewitt had gained entrance to the Hall by pretending...
目的: 选择地龙中游离氨基酸的最佳提取方法.Objective: Selecting the best process of extracting the free Acids in Pheretima.目的:研究复方地龙胶囊浸膏粉制备工艺.Study the making technique of compound earthworm capsule extract powder.目的探讨地龙对痔术后创面愈合的影响.Objective...